Find the direction angle of the vector u =-7i+4j. That is, find the angle between 0° and 360° that u makes with the positive x-axis (measured counterclockwise), when u is in standard position. Do not round any intermediate computations, and round your answer to the nearest whole number.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 31E
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Find the direction angle of the vector u =-7i+4j. That is, find the angle between 0° and 360° that u makes with the positive x-axis (measured
counterclockwise), when u is in standard position.
Do not round any intermediate computations, and round your answer to the nearest whole number.
Transcribed Image Text:Find the direction angle of the vector u =-7i+4j. That is, find the angle between 0° and 360° that u makes with the positive x-axis (measured counterclockwise), when u is in standard position. Do not round any intermediate computations, and round your answer to the nearest whole number.
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